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BINA LIBRARY-CURRENT ELECTRICITY-EXERCISE
- The internal resistance of a cell of emf 2V is 0.1Omega. It is connect...
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- The resistance in two gaps of a meter bridge are 10 Omega and 30 Omega...
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- What is a potentiometer? Why is it most accurate device in measuring e...
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- In a potentiometer experiment the balancing length with a cell is 560 ...
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- Two resistances are joined in parallel whose resultant is 6/5 ohms. On...
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- The smallest resistance obtained by connecting 50 resistance of 1/4 oh...
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- How many different combinations of three equal resistors can be made ?
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- A steady current flows in a metallic conductor of non uniform cross-se...
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- A metallic wire of resistance 40 Omega is stretched to twice its lengt...
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- A metallic wire is drawn to reduce its diameter to half its original v...
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- Three resistances each of 4 Omega are connected to form a triangle. Th...
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- Four wires of equal length and of resistance 10 Omega each are connect...
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- Assuming that the charge of an electron is 1.6 x 10^-19 C. The number ...
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- The electrical resistance of metals
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- The resistance of a conductor is 5 Omega at 50°C and 6 Omega at 100°C...
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- A piece of copper and another of germanium are cooled from room temera...
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- What is the order of the drift velocity of electrons?
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- A wire of 4 Omega resistance is bent at 180° at its mid point and twis...
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- A and B are two wires of copper of equal cross-section and A is longer...
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- If a wire of uniform cross sectional area is cut equally into two part...
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